Soonyung and her family moved to Korea and until they find their own house, their staying with her dads old friend. She soon meets a boy named Joshua Hong who just so happens to be in a kpop group called SEVENTEEN. Not long after, their feelings start to grow more for each other. Joshua starts to show his dark side, which causes him to push Soonyung away not wanting to hurt her. But while they're distant from each other another member of SEVENTEEN wants to win over her heart. Who will she choose Joshua who broke her heart? Or The other member who wants to win it?